* {
  padding: 0;
  margin: 0;
}

#header {
  width: 100%;
  height: 49px;
  background: #202329;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 1005;
}

#header .inner {
  max-width: 1000px;
  margin: 0 auto;
}

#header .inner .logo {
  float: left;
  padding: 6px 0 0 0;
}

#header .inner .logo a {
  display: block;
  width: 110px;
  height: 36px;
  background: url(../img/logo-2x.png) 3px 7px no-repeat;
  background-size: 105px 19px;
}

#header .inner .logo span {
  display: none;
}
#main {
  width: 100%;
  background-color: #12ada9;
  height: 626px;
}

.intro-wrap {
  width: 1200px;
  margin: 0 auto;
  padding-bottom: 10px;
}

.intro-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.intro-wrap h3 {
  font-size: 30px;
  color: rgba(32, 35, 41, 1);
  line-height: 112px;
  text-align: center;
}

.intro-wrap .intro-item {
  width: 586px;
  height: 210px;
  overflow: hidden;
  border-radius: 6px;
  margin-bottom: 25px;
  box-shadow: 0 5px 14px 0 rgba(0, 0, 0, 0.1);
  display: flex;
  transition: all 0.2s linear;
  align-items: center;
}
.intro-wrap .intro-item:hover {
  transform: translate3d(0, -2px, 0);
}
.intro-wrap .intro-item img {
  display: block;
  float: left;
  width: 142px;
  margin-left: 30px;
}

.intro-wrap .intro-item dl {
  overflow: hidden;
  padding: 0 30px 0 30px;
}

.intro-wrap .intro-item dt {
  font-size: 28px;
  line-height: 42px;
  color: #202329;
  font-weight: bold;
  padding-bottom: 13px;
}

.intro-wrap .intro-item dd {
  font-size: 18px;
  color: #51586d;
  line-height: 30px;
}

.copyright {
  text-align: center;
  background: #20232a;
  color: #8d92a1;
  font-size: 14px;
  margin: 0;
  line-height: 50px;
}
